RESTON, OREGON

Period of Record General Climate Summary - Precipitation

Station:(357112) RESTON
From Year=1909 To Year=2004
Precipitation Total Snowfall
Mean High Year Low Year 1 Day Max. >=
0.01 in.
>=
0.10 in.
>=
0.50 in.
>=
1.00 in.
Mean High Year
in. in. - in. - in. dd/yyyy
or
yyyymmdd
# Days # Days # Days # Days in. in. -
January 8.43 17.00 1964 0.47 1985 3.09 11/1979 19 14 6 3 3.5 55.4 1916
February 6.27 15.08 1986 1.10 1913 3.43 17/1983 16 11 5 1 1.3 33.0 1917
March 5.44 11.11 1983 1.55 1910 3.26 02/1972 17 12 4 1 0.6 12.0 1916
April 3.31 7.62 1982 0.37 1959 1.72 02/1982 14 9 2 0 0.3 7.0 1911
May 1.99 6.09 1960 0.01 1992 1.89 26/1960 10 5 1 0 0.0 0.0 1909
June 0.84 3.67 1958 0.00 1999 0.99 06/1914 5 3 0 0 0.0 0.0 1909
July 0.22 1.87 1916 0.00 1910 1.00 16/1916 2 1 0 0 0.0 0.0 1909
August 0.43 2.65 1968 0.00 1909 1.24 17/1990 2 1 0 0 0.0 0.0 1914
September 1.33 5.70 1986 0.00 1965 2.00 27/1981 5 3 1 0 0.0 0.0 1914
October 3.52 9.08 1956 0.03 2002 2.08 22/1982 10 7 3 1 0.0 0.0 1915
November 8.59 22.65 1973 1.14 1976 6.43 22/1909 18 13 6 2 0.3 12.0 1961
December 9.20 24.10 1955 1.08 1976 5.75 25/1955 18 14 7 3 1.7 30.0 1964
Annual 49.58 77.35 1996 31.58 1976 6.43 19091122 138 92 34 12 7.7 37.4 1965
Winter 23.90 44.83 1956 7.23 1977 5.75 19551225 53 39 17 7 6.5 56.0 1965
Spring 10.74 19.35 1963 3.85 2004 3.26 19720302 41 25 7 1 0.8 12.0 1916
Summer 1.50 4.75 1983 0.00 2003 1.24 19900817 9 4 1 0 0.0 0.0 1915
Fall 13.45 28.76 1973 4.48 1976 6.43 19091122 34 23 9 3 0.3 12.0 1961
Table updated on Oct 31, 2012
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


Western Regional Climate Center, wrcc@dri.edu